"The Einstein Theory of Relativity" is the short version (587 m) of the lost American long version (1219 m) of Hanns Walter Kornblum's original German feature "Die Grundlagen der Einsteinschen Relativitäts-Theorie" from 1922 that is also lost.
1939
1940
2015
1953
1956
1954
1952
1951
1941
1960
2016
1945
1947
1929
1982
2008
2001